Weak magnetism:Not suitable to shape complex 3D structures or buildingOur products are specially designed for adults, mainly for decompression and relief,AGES 14+: Keep away from all children Enjoyable Desk Toy: ferrite putty consists of mini weak magnets stones.Over 500+ ferrite stones,fill your hand up with the mini magnets.Mash them,shape them,stack them,and feel pressure slip away as the stones slip past your fingers.Grab them in the palm of your hand while you are dealing with the boring job. Feeling the Decompression Sound:The sound of ferrite putty clashing gives you an inexplicable sense of satisfaction,or a different kind of excitement.The magical powers of sound will keep you from stopping.Carry them anywhere and anytime,you would not stop playing. Portable Fidget Toys:Ferrite putty arent just incredibly calming.They enhance your senses and boost your focus.Over 500+ ferrite stones in a box,easy to carry.Home sofa,office desk,travel train and outdoor beach,you can play thme anywhere. Best Gift:Still looking for creative gifts?Ferrite putty are exactly what you're after.You'll never have to worry about what to get for anyone's birthday.You would just grab this ferrite putty,put them in your gift bag, and wait for that moment to see someone surprising.